def transmit(self, bytes):
self.vm.resetlog()
self.current_channel = bytes[0] & 0x3
if self.selected[self.current_channel]:
self.selected[self.current_channel]._selectingApplet = False
if not bool(bytes[0] & 0x80):
# ISO command
if bytes[1:4] == [-92, 4, 0]:
aid = bytes[5:5 + bytes[4]]
# select command A4 04 00
if not self._cmselect(aid):
return d2a('\x69\x99')
elif bytes[1:4] == [112, 0, 0]:
# open channel : 70 00 00
for idx in xrange(4):
if not self.channels[idx]:
self.channels[idx] = True
buf = [idx]
buf.extend(d2a('\x90\x00'))
return buf
return d2a('\x6A\x86')
elif bytes[1:3] == [112, -128]:
# close channel: 70 80
idx = bytes[3]
if self.channels[idx]:
self.channels[idx] = False
return d2a('\x90\x00')
return d2a('\x6A\x86')
elif bytes[1:4] == [-26, 12, 0]:
# install : E6 0C 00
self.install(bytes, 5)
applet = self.selected[self.current_channel]
if applet is None:
# no applet selected on current channel
return d2a('\x6A\x82')
# Make an APDU object
apdu = APDU(bytes)
# pass to the process method
self.vm.frame.push(applet)
self.vm.frame.push(apdu)
# invoke the process method
self.vm._invokevirtualjava(
JavaCardVirtualMethod(
applet._ref.offset,
7, # process
False,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
def transmit(self, bytes):
self.vm.resetlog()
self.current_channel = bytes[0] & 0x3
if self.selected[self.current_channel]:
self.selected[self.current_channel]._selectingApplet = False
if not bool(bytes[0] & 0x80):
# ISO command
if bytes[1:4] == [-92, 4, 0]:
aid = bytes[5:5 + bytes[4]]
# select command A4 04 00
if not self._cmselect(aid):
return d2a('\x69\x99')
elif bytes[1:4] == [112, 0, 0]:
# open channel : 70 00 00
for idx in xrange(4):
if not self.channels[idx]:
self.channels[idx] = True
buf = [idx]
buf.extend(d2a('\x90\x00'))
return buf
return d2a('\x6A\x86')
elif bytes[1:3] == [112, -128]:
# close channel: 70 80
idx = bytes[3]
if self.channels[idx]:
self.channels[idx] = False
return d2a('\x90\x00')
return d2a('\x6A\x86')
elif bytes[1:4] == [-26, 12, 0]:
# install : E6 0C 00
self.install(bytes, 5)
applet = self.selected[self.current_channel]
if applet is None:
# no applet selected on current channel
return d2a('\x6A\x82')
# Make an APDU object
apdu = APDU(bytes)
# pass to the process method
self.vm.frame.push(applet)
self.vm.frame.push(apdu)
# invoke the process method
self.vm._invokevirtualjava(JavaCardVirtualMethod(
applet._ref.offset,
7, # process
False,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, isoe:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
def __init__(self, offset, cap_file, resolver):
self.offset = offset
sf = cap_file.StaticField
if offset < sf.array_init_count * 2:
offset = offset // 2
aii = sf.array_init[offset]
convertfunc = {
2:
lambda x: bool(x[0]),
3:
lambda x: utils.signed1(x[0]),
4:
lambda x: utils.signed2((x[0] << 8) + x[1]),
5:
lambda x: utils.signed4((x[0] << 24) + (x[1] << 16) +
(x[2] << 8) + x[3])
}[aii.type]
elemsize = {2: 1, 3: 1, 4: 2, 5: 4}[aii.type]
index = 0
value = []
while index < aii.count:
value.append(convertfunc(aii.values[index:]))
index += elemsize
self.val = value
elif offset < sf.reference_count * 2:
self.val = None
else:
offset -= sf.reference_count * 2
if offset <= sf.default_value_count:
self.val = None
else:
print("I am a non-default primitive type")
raise NotImplementedError("non default primitive static field")
def __init__(self, offset, cap_file, resolver):
self.offset = offset
sf = cap_file.StaticField
if offset < sf.array_init_count * 2:
offset = offset // 2
aii = sf.array_init[offset]
convertfunc = {2: lambda x: bool(x[0]),
3: lambda x: utils.signed1(x[0]),
4: lambda x: utils.signed2((x[0] << 8) +
x[1]),
5: lambda x: utils.signed4((x[0] << 24) +
(x[1] << 16) +
(x[2] << 8) +
x[3])
}[aii.type]
elemsize = {2: 1, 3: 1, 4: 2, 5: 4}[aii.type]
index = 0
value = []
while index < aii.count:
value.append(convertfunc(aii.values[index:]))
index += elemsize
self.val = value
elif offset < sf.reference_count * 2:
self.val = None
else:
offset -= sf.reference_count * 2
if offset <= sf.default_value_count:
self.val = None
else:
print "I am a non-default primitive type"
raise NotImplementedError("non default primitive static field")
def _ifxx(self, branch, op):
val = self.frame.pop()
if {'eq': val == 0,
'ne': val != 0,
'lt': val < 0,
'le': val <= 0,
'gt': val > 0,
'ge': val >= 0}[op]:
return utils.signed1(branch)
def _if_scmpxx(self, branch, op):
val2 = self.frame.pop()
val1 = self.frame.pop()
if {'eq': val1 == val2,
'ne': val1 != val2,
'lt': val1 < val2,
'le': val1 <= val2,
'gt': val1 > val2,
'ge': val1 >= val2}[op]:
return utils.signed1(branch)
def hexify(hexStr):
"""
Turns a string of hexadecimal nibbles into an array of numbers
>>> hexify("00200003083132333400000000")
[0, 32, 0, 3, 8, 49, 50, 51, 52, 0, 0, 0, 0]
"""
bytes = []
hexStr = ''.join(hexStr.split())
for i in range(0, len(hexStr), 2):
bytes.append(signed1(int(hexStr[i:i + 2], 16)))
return bytes
def install(self, data, offset):
"""
data[offset:] is len||appletaid||len||installdata
where installdata is the data given to the install method
"""
aidlen = data[offset]
offset += 1
aid = data[offset: offset + aidlen]
offset += aidlen
length = data[offset]
offset += 1
# data[offset:offset+length] is what is given to the install JavaCard
# method which means: len-instanceaid-len-stuff-len-customparams
# where instance AID might be empty
self.vm.frame.push(data)
self.vm.frame.push(offset)
self.vm.frame.push(length)
applet = None
self.echo(len(self.vm.cap_file.Applet.applets))
for apl in self.vm.cap_file.Applet.applets:
if a2d(aid) == a2d(apl.aid):
applet = apl
break
if applet is None:
self.echo("Applet %s not found in the CAP file" % a2s(aid))
return
self.current_applet_aid = aid
self.vm._invokestaticjava(JavaCardStaticMethod(
applet.install_method_offset,
self.vm.cap_file,
self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, ie:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
def install(self, data, offset):
"""
data[offset:] is len||appletaid||len||installdata
where installdata is the data given to the install method
"""
aidlen = data[offset]
offset += 1
aid = data[offset:offset + aidlen]
offset += aidlen
length = data[offset]
offset += 1
# data[offset:offset+length] is what is given to the install JavaCard
# method which means: len-instanceaid-len-stuff-len-customparams
# where instance AID might be empty
self.vm.frame.push(data)
self.vm.frame.push(offset)
self.vm.frame.push(length)
applet = None
self.echo(len(self.vm.cap_file.Applet.applets))
for apl in self.vm.cap_file.Applet.applets:
if a2d(aid) == a2d(apl.aid):
applet = apl
break
if applet is None:
self.echo("Applet %s not found in the CAP file" % a2s(aid))
return
self.current_applet_aid = aid
self.vm._invokestaticjava(
JavaCardStaticMethod(applet.install_method_offset,
self.vm.cap_file, self.vm.resolver))
try:
while self.vm.step():
pass
except ISOException, ie:
sw = isoe.getReason()
return [signed1((sw & 0xff00) >> 8), signed1(sw & 0x00ff)]
def sinc(self, index, const):
self.frame.locals[index] += utils.signed1(const)
def goto(self, branch):
return utils.signed1(branch)
def _if_acmpxx(self, branch, op):
val2 = self.frame.pop()
val1 = self.frame.pop()
if {'eq': val1 is val2,
'ne': val1 is not val2}[op]:
return utils.signed1(branch)
def ifnonnull(self, branch):
val = self.frame.pop()
if val is not None:
return utils.signed1(branch)
def s2b(self):
val = self.frame.pop()
self.frame.push(utils.signed1(val & 0xff))
def bspush(self, byte):
self.frame.push(utils.signed1(byte))
